in emacs-21.2-alt9 by menas of the uploaded patch.
It changes emacs\' internals, we should be extermely careful that it doesn\'t break
some correct behaviour in other places.
It\'s idea is like this: if one modifier of the certain modifiers is encountered in inout event, almost the whole state is discarded to acquire the keysym. (Originally, only the encountered modifier used to be discarded in this case.)

in emacs-21.2-alt9 by menas of the uploaded patch.
It changes emacs\' internals, we should be extermely careful that it doesn\'t break
some correct behaviour in other places.
It\'s idea is like this: if one modifier of the certain modifiers is encountered in inout event, almost the whole state is discarded to acquire the keysym. (Originally, only the encountered modifier used to be discarded in this case.)